John Mark Hansen
John Mark Hansen is Senior Advisor to the President and the Charles L. Hutchinson Distinguished Service Professor in the Department of Political Science and the College of the University of Chicago, where he joined the faculty in 1986. An experienced administrator, he recently completed ten years of service as the Dean of the Social Sciences and also served terms as Chairman of the Department of Political Science and as Associate Provost for Education and Research. His scholarship addresses legislative politics, interest group politics, citizen activism, public opinion, and elections. He is the author of two books, Gaining Access: Congress and the Farm Lobby, 1919–1981 (1991), and Mobilization, Participation, and Democracy in America (1993, with Steven Rosenstone). He was elected a Fellow of the American Academy of Arts and Sciences in 2003 and serves as a member of its Council.